RPCA - National Box Culvert Association Type
Standard products from the National Box Culvert Association! Offering standard and invert shapes!
We handle the "RPCA - National Box Culvert Association Type." It complies with the Road Earthwork Culvert Construction Guidelines of the Japan Road Association and is certified as Class I materials by the Japan Sewage Works Association. The "RC type" is available as a Class I certified product under JIS A 5372, while the "PC type" is available as a Class I certified product under JIS A 5373. 【Features】 ■ Standard products of the National Box Culvert Association ■ Class I certified materials by the Japan Sewage Works Association ■ Compliant with the Road Earthwork Culvert Construction Guidelines of the Japan Road Association ■ Products that meet the evaluation standards of the Japan Precast Concrete Products Technology Association *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Classification by Shape and Connection Method】 <Standard Shape / Inverted Shape> ■Normal Installation Type ■Longitudinal Connection with PC Steel Materials ■Longitudinal Connection Type with Bolts <Joint Section Shape> ■When the inner hollow cross-section is small (size 600×600 to 900×900) ■When the inner hollow cross-section is large (size 1,000×800 to 5,000×2,500) *For more details, please refer to the PDF materials or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Since our founding in 1925, we have contributed to the development of Japan's land through concrete products. From Sendai in the north to Hiroshima in the south, we respond to inquiries from various regions through a wide network. We have also established a system for delivering products from our own factory and manufacturing partners across the country. We offer over 1,800 types of products, the majority of which are original. We propose many products that contribute to "national resilience" as disaster prevention and mitigation measures against typhoons, floods, water damage, and landslides. With the motto "Proposal and technical capabilities that shape the future of Japan," we strive to meet our customers' expectations.
